20-9x=-x2;5,4.

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Solution for 20-9x=-x2;5,4. equation:



20-9x=-x25.4.
We move all terms to the left:
20-9x-(-x25.4.)=0
We get rid of parentheses
-9x+x25.4.+20=0
We move all terms containing x to the left, all other terms to the right
-9x+x25.4.=-20

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